Finding the Fourth Proportional to 1,151.56, 1,589.60 and 1,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.56 : 1,589.60 = 1,134.69 : x
2. Step 2: Convert to fraction form
   1,151.56/1,589.60 = 1,134.69/x
3. Step 3: Cross multiply
   1,151.56x = 1,589.60 × 1,134.69
4. Step 4: Simplify right side
   1,151.56x = 1,803,703.22
5. Step 5: Solve for x
   x = 1,803,703.22/1,151.56
6. Step 6: Final answer
   x = 1,566.31